thighbone
/ˈθaɪˌboʊn/
noun
- The long bone in the upper leg, between the hip and the knee; the femur.
- A strong thighbone helps support your body when you run or jump.
- The doctor examined the X-ray and said the thighbone was not fractured.
- In anatomy class, we learned that the thighbone is the longest bone in the human body.
Synonyms